Bookshelf



FIG. 1 is a perspective view of a bookshelf of the present invention;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof, the right side elevation view being a mirror image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

In the drawings, the broken lines represent environmental structure forming no part of the claim. 

The ornamental design for a bookshelf, as shown and described. 